3-phase relay for detection of incorrect phase sequence, total and partial phase loss. Supply range from 208 to 690 VAC covered by two multivoltage relays. For mounting on DIN-rail or plug-in module. The device detects regenerated voltages up to 85% of the nominal voltage (phase-phase). Type Phase Loss, Phase Sequence Trip Status Energized High Trip Range 323 ~ 550V AC Voltage - Supply 380 ~ 480VAC Output Type Relay Circuit DPDT (2 Form C) Contact Rating @ Voltage 8A @ 250VAC Mounting Type DIN Rail Operating Temperature -20°C ~ 50°C